CORDIERITE-MULLITE REFRACTORIES

被引：38

作者：

IBRAHIM, DM

NAGA, SM

KADER, ZA

SALAM, EA

机构：

[1] Ceramics Department, National Research Centre, Dokki, Cairo

来源：

CERAMICS INTERNATIONAL | 1995年 / 21卷 / 04期

关键词：

D O I：

10.1016/0272-8842(95)99792-A

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

This study aims to prepare cordierite-mullite composites to be used as refractories, mainly setters. The cordierite-mullite percentage was kept constant (70:30%). Mullite and cordierite were added in different proportions either as grog or raw materials, fulfilling the above stoichiometric composition. To attain the required percent of mullite in the product, a superstoichiometric amount of alumina was added as grog or bauxite. Superstoichiometric addition improved both physical and mechanical properties without affecting the thermal shock resistance. The effect of added grog percentage on the body properties is discussed. Best mechanical, thermal and physical properties are achieved with bodies containing 50-70% grog.

引用

页码：265 / 269

页数：5

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